Useful map related links

Austria
Austrian Map Online
A free web application that allows you to view and print 1:50,000, 1:250,000, 1:500,000 and 1:1 million map data.

Cadastral Map Online
Freely search information on around 10.2 million land properties throughout Austria.

Belgium
TopoMapViewer
A free web application that allows you to view standard NGI topographic maps and orthophotos.

Cartesius
Free access to a wide range of scanned historic maps of Belgium.

Bulgaria
http://gis.mrrb.government.bg/

Czechia
Geoviewer
Free access to state map series, orthophotos and cadastral mapping from the Czech Office for Surveying, Mapping and Cadastre.

France
Géoportail
Free access to IGN maps and aerial photography

InfoTerre
Access a range of data from France's geological survey (the BRGM), including geological maps from 1:1M to 1:50,000.

Finland
National Land Survey of Finland
The Citizen's MapSite allows the browsing and printing of NLS topographic maps covering all Finnish regions up to a scale of 1:16,000.

Germany
Map on Demand from the BKG
Map on Demand (MoD) is a web application that can be used to create print-ready maps from the Federal Agency for Cartography and Geodesy.

Greece
Geo-Portal
Described as a "novel digital application to view data in a 2D environment". Small scale maps with limited detail, for viewing only.

Hungary
National Atlas of Hungary
The digital version of the National Atlas of Hungary, available to download chapter by chapter. The International Cartographic Association awarded 1st place to Vol.2, Natural Environment in the ICA Map Awards 2019, describing the publication as "A comprehensive, and detailed atlas. The cartography is lavish and sets Hungary’s natural environment in its human context. The maps are accompanied by numerous well presented graphs, text and infographics".

Iceland
Geodesy of Iceland
All maps of Iceland's Land Survey, aerial photo gallery, height model and other land information.

Ireland
GeoHive
Access to publicly available spatial data fro Ordnance Survey Ireland, including aerial photography and historic 6 inch and 25 inch maps.

Netherlands
Environmental Health Atlas
The maps focus on environmental themes, including air and water quality. This is where you can access a digital version of the 1:50,000 Netherlands soil map (Bodemkaart van NL 1:50,000).

Norway
Norgeskart
Statens Kartverk is the principal survey and mapping organisation in Norway and their Norgeslart application provides zoomable maps for the whole of Norway up to a scale of 1:5,000.

Poland
Geoportal
Online mapping and data.

Spain
IBERPIX
Cartographic viewer published by the National Center for Geographic Information (CNIG) and the National Geographic Institute of Spain (IGN).

National Atlas of Spain
Brings together all three editions of the National Atlas on one site. Winner of the category "Digital Products (Maps and Digital images)" at the 24th International Cartography Conference in Santiago, Chile, 2009.

Sweden
The Lantmäteriet Map Printing service allows the user to create PDF maps, with some limited customisation, at 1:10,000 or 1:50,000 for printing up to A2 size. 

Switzerland
Swiss map viewer
A fantastic tool for the interactive presentation of Swiss topographic maps and thematic data. The 'journey through time' option allows you to layer maps of different dates, from the mid-19th century to the present day. Maps can be even be viewed in 3D.